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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0530039 , New Light Water Association

23 of the 57 analytes this system has been tested for have been detected at least once, across 207 samples on record.

The other 34 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 207 samples on record, detections range from October 13, 2003 to July 13, 2026. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for New Light Water Association, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 74 of 74 results Aug 11, 2004 Jun 23, 2025
Lead 1030 Inorganic Chemical 44 of 74 results Aug 11, 2004 Jun 23, 2025
Xylenes, Total 2955 Organic Chemical 16 of 39 results Dec 13, 2004 Sep 14, 2011
Barium 1010 Inorganic Chemical 15 of 15 results Oct 13, 2003 Jul 13, 2026
Fluoride 1025 Inorganic Chemical 15 of 15 results Oct 13, 2003 Jul 13, 2026
Arsenic 1005 Inorganic Chemical 14 of 15 results Oct 13, 2003 Jul 13, 2026
Selenium 1045 Inorganic Chemical 13 of 15 results Oct 13, 2003 Jul 13, 2026
TTHM 2950 Organic Chemical 10 of 17 results Sep 12, 2007 Aug 25, 2025
Chromium 1020 Inorganic Chemical 9 of 15 results Oct 13, 2003 Nov 15, 2023
Nickel 1036 Inorganic Chemical 8 of 13 results Mar 22, 2004 Feb 29, 2024
Nitrite 1041 Inorganic Chemical 8 of 32 results Nov 9, 2005 Mar 26, 2012
Bromoform 2942 Organic Chemical 7 of 12 results Oct 28, 2024 Aug 25, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 6 of 32 results Aug 7, 2006 Mar 26, 2012
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 7, 2011 Jul 25, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 7, 2011 Jul 25, 2012
Radium-226 4020 Radionuclide 5 of 5 results Dec 7, 2011 Jul 25, 2012
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 17 results Jun 21, 2010 Sep 28, 2021
Nitrate 1040 Inorganic Chemical 3 of 32 results Aug 7, 2006 Nov 26, 2007
Sodium 1052 Inorganic Chemical 2 of 2 results Jun 24, 2026 Jul 13, 2026
Ethylbenzene 2992 Organic Chemical 2 of 39 results Dec 13, 2004 Feb 16, 2005
Dibromoacetic Acid 2454 Organic Chemical 1 of 12 results Oct 28, 2024 Oct 28, 2024
Monobromoacetic Acid 2453 Organic Chemical 1 of 12 results Sep 9, 2013 Sep 9, 2013
Mercury 1035 Inorganic Chemical 1 of 15 results Mar 22, 2004 Mar 22, 2004

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 51–60 of 207 samples, newest first — collected October 15, 2015 to July 31, 2018. The summary above covers all 207.

42 results from the 10 samples listed here: 8 detected, 34 not detected. Across the whole record it is 267 of 1,408. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for New Light Water Association, every result from 51 to 60 of 207 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jul 31, 2018 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180802-063PB
Laboratory
MSDH Lab
0.1117 mg/l , sample collected Jul 31, 2018 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
0.0007 mg/l , sample collected Jul 31, 2018 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Collected
Jul 31, 2018 07:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180802-062PB
Laboratory
MSDH Lab
0.0984 mg/l , sample collected Jul 31, 2018 07:56, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 31, 2018 07:56, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Collected
Jul 31, 2018 05:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180802-059PB
Laboratory
MSDH Lab
0.1296 mg/l , sample collected Jul 31, 2018 05:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 31, 2018 05:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Collected
Jul 31, 2018 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180802-057PB
Laboratory
MSDH Lab
0.0513 mg/l , sample collected Jul 31, 2018 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 31, 2018 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Collected
Jul 31, 2018 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180802-054PB
Laboratory
MSDH Lab
0.2131 mg/l , sample collected Jul 31, 2018 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
0.0008 mg/l , sample collected Jul 31, 2018 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Collected
Jul 31, 2018 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180802-051PB
Laboratory
MSDH Lab
0.1001 mg/l , sample collected Jul 31, 2018 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 31, 2018 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2018
Collected
Mar 13, 2018 10:00
Sampling point
TF102 Treatment Plantt102
Sample type
Routine
Lab sample
180314-039NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 13, 2018 10:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 13, 2018 10:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 13, 2018 10:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Dec 30, 2016 09:38
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
161230-008NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 30, 2016 09:38, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Not recorded
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 30, 2016 09:38, sampling point TF101 Nitrate 1040 EPA method QC10107041C Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 30, 2016 09:38, sampling point TF101 Nitrite 1041 EPA method QC10107041C Not recorded
Collected
Dec 30, 2016 09:49
Sampling point
TF102 Treatment Plantt102
Sample type
Routine
Lab sample
161230-005NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 30, 2016 09:49, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 30, 2016 09:49, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 30, 2016 09:49, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Oct 15, 2015 10:30
Sampling point
TF102 Treatment Plantt102
Sample type
Routine
Lab sample
151016-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 15, 2015 10:30, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016

Routine (10).